Changeable sign



FIG. 1 is a perspective view of a changeable sign, showing the top, front and one end thereof, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is an end elevational view thereof, showing the end shown in FIG. 1; and

FIG. 6 is an end elevational view thereof showing the end opposite that shown in FIG. 5. 

The ornamental design for a changeable sign, substantially as shown and described. 